Guzman, M. K., Alcantara, R. G., Arinto, P. B., Barrios, E. B., Malicsi. Jonathan C., Ocampo, N. S., & Marcial, M. C. D. (1998). Living language: Assessment of language proficiency and needs in the professions and in the workplace. Office of Research Coordination, University of the Philippines.
Chicago Style (17. basım) AtıfGuzman, Maybelle Koch, Ruby G. Alcantara, Patricia B. Arinto, Erniel B. Barrios, Malicsi. Jonathan C., Nilo S. Ocampo, ve Ma. Corazon DP Marcial. Living Language: Assessment of Language Proficiency and Needs in the Professions and in the Workplace. Quezon City: Office of Research Coordination, University of the Philippines, 1998.
MLA (9th ed.) AtıfGuzman, Maybelle Koch, et al. Living Language: Assessment of Language Proficiency and Needs in the Professions and in the Workplace. Office of Research Coordination, University of the Philippines, 1998.